Table 1 Baseline characteristics of the study population, Germany 2010–2012
|  | Study population (n = 823) | General female population aged 20–24 years, Germany |
|---|---|---|
| Â | % (95% CI) | % |
Residency | ||
 Western federal states | 82.5 (79.7-85.0) | 83.71 |
 Eastern federal states | 18.3 (17.5-20.3) | 16.31 |
Living in a city with | ||
 < 500,000 inhabitants | 83.0 (80.0-85.6) | 80.5 |
  ≥ 500,000 inhabitants | 16.9 (14.4-19.7) | 19.5 |
Current smoker | ||
 No | 69.9 (66.6-73.0) | 67.2 |
 Yes | 30.1 (26.9-33.4) | 32.8 |
Migrant background | ||
 No | 85.9 (83.3-88.2) | 78.0 |
 Yes | 14.1 (11.8-16.7) | 22.0 |
Educational status | ||
 Low | 5.8 (4.3-7.6) | 22.2 |
 Medium | 28.6 (25.5-31.8) | 32.8 |
 High | 65.6 (62.3-68.9) | 44.9 |